:root{
  --navy:#0F2B4C;--blue:#1B72BE;--sky:#5BAEE8;--skylt:#EBF5FB;--skymd:#D0E8F8;
  --white:#FFFFFF;--offwhite:#F7FAFD;--text:#1A2B3C;--muted:#5A7A96;
  --light:#E8F2FD;--gold:#C8973A;--green:#1A7F5A;--border:#D0E4F0;
  --code-bg:#0D1F30;--code-br:#1E3A52;--r:8px;
  --mono:'Courier New',monospace;--sans:'Segoe UI',system-ui,sans-serif;
  --sh:0 2px 16px rgba(27,114,190,.10);--shh:0 8px 32px rgba(27,114,190,.18);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;overflow-x:hidden}
p,li,.exp-desc,.section-sub,.project-desc,.about-text p,.contact-info p,.cta-box p,.layer-content{text-align:justify}
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;height:62px;box-shadow:0 1px 8px rgba(27,114,190,.07)}
.nav-logo{font-size:1rem;font-weight:800;color:var(--navy)}
.nav-logo span{color:var(--blue)}
.nav-links{display:flex;gap:1.5rem;list-style:none;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.85rem;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--blue)}
.nav-cta{background:var(--blue)!important;color:var(--white)!important;padding:.35rem .9rem;border-radius:6px;font-weight:700!important}
.nav-cta:hover{background:var(--navy)!important}
.lang-btns{display:flex;gap:.35rem;margin-left:.75rem}
.lang-btn{background:transparent;border:1px solid var(--border);color:var(--muted);font-size:.7rem;font-family:var(--mono);font-weight:700;padding:.22rem .48rem;border-radius:4px;cursor:pointer;letter-spacing:.04em;transition:all .2s}
.lang-btn:hover{border-color:var(--blue);color:var(--blue)}
.lang-btn.active{background:var(--blue);border-color:var(--blue);color:var(--white)}
#hero{min-height:100vh;display:flex;align-items:center;padding:80px 2rem 4rem;background:linear-gradient(135deg,var(--white) 0%,var(--skylt) 55%,var(--skymd) 100%);position:relative;overflow:hidden}
#hero::before{content:'';position:absolute;top:-200px;right:-150px;width:550px;height:550px;border-radius:50%;background:radial-gradient(circle,rgba(91,174,232,.18) 0%,transparent 70%);pointer-events:none}
.hero-grid{max-width:1100px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:center}
.hero-eyebrow{font-size:.95rem;font-weight:700;font-family:var(--sans);color:var(--navy);letter-spacing:.01em;text-transform:none;margin-bottom:1.1rem;background:var(--skylt);display:inline-block;padding:.5rem 1rem;border-radius:6px;border:1px solid var(--sky)}
.hero-name{font-size:clamp(1.5rem,3.2vw,2.4rem);font-weight:800;line-height:1.15;color:var(--navy);margin-bottom:.6rem;white-space:nowrap}
.hero-name em{color:var(--blue);font-style:normal}
.hero-title{font-size:.95rem;color:var(--muted);margin-bottom:1.75rem;text-align:left}
.hero-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:2.25rem}
.tag{background:var(--white);border:1px solid var(--border);color:var(--blue);font-size:.73rem;font-family:var(--mono);padding:.22rem .7rem;border-radius:4px;font-weight:700}
.tag.gold{background:rgba(200,151,58,.08);border-color:rgba(200,151,58,.3);color:var(--gold)}
.hero-cta{display:flex;gap:.85rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.65rem 1.3rem;border-radius:var(--r);font-weight:600;font-size:.88rem;text-decoration:none;transition:all .2s;cursor:pointer;border:none}
.btn-primary{background:var(--blue);color:var(--white);box-shadow:var(--sh)}
.btn-primary:hover{background:var(--navy);transform:translateY(-2px);box-shadow:var(--shh)}
.btn-outline{background:var(--white);color:var(--blue);border:1.5px solid var(--blue)}
.btn-outline:hover{background:var(--light);transform:translateY(-2px)}
.hero-card{background:var(--white);border:1px solid var(--border);border-radius:14px;padding:1.5rem;box-shadow:var(--shh);position:relative;overflow:hidden}
.hero-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--navy),var(--blue),var(--sky))}
.card-label{font-size:.7rem;font-family:var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
.stat-row{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border)}
.stat-row:last-child{border-bottom:none}
.stat-label{font-size:.82rem;color:var(--muted)}
.stat-val{font-size:.84rem;font-weight:700;color:var(--navy);text-align:right}
.stat-val.blue{color:var(--blue)}.stat-val.gold{color:var(--gold)}.stat-val.green{color:var(--green)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--green);margin-right:.4rem;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
section{padding:5rem 2rem}
.container{max-width:1100px;margin:0 auto}
.section-eyebrow{font-size:.7rem;font-family:var(--mono);color:var(--blue);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.75rem}
.section-title{font-size:clamp(1.7rem,3vw,2.2rem);font-weight:800;color:var(--navy);margin-bottom:.85rem}
.section-sub{font-size:.95rem;color:var(--muted);max-width:640px;margin-bottom:2.75rem;line-height:1.85}
.divider{width:44px;height:4px;background:linear-gradient(90deg,var(--blue),var(--sky));margin-bottom:1.4rem;border-radius:2px}
.bg-off{background:var(--offwhite)}.bg-light{background:var(--skylt)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.about-text p{color:var(--muted);margin-bottom:1.1rem;line-height:1.9;font-size:.95rem}
.about-text p strong{color:var(--navy)}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem;margin-top:1.75rem}
.lang-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:.85rem;text-align:center;box-shadow:var(--sh)}
.lang-name{font-size:.78rem;font-weight:800;color:var(--navy);margin-bottom:.2rem}
.lang-level{font-size:.68rem;color:var(--blue);font-family:var(--mono);font-weight:700}
.companies-label{font-size:.7rem;font-family:var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.7rem}
.company-list{display:flex;flex-wrap:wrap;gap:.45rem}
.company-pill{background:var(--white);border:1px solid var(--border);color:var(--muted);font-size:.78rem;padding:.28rem .8rem;border-radius:20px;font-weight:600}
.img-frame{position:relative;cursor:zoom-in;overflow:hidden;border-radius:var(--r);box-shadow:var(--shh);border:1px solid var(--border)}
.img-frame img{display:block;width:100%;height:auto;transition:transform .3s}
.img-frame:hover img{transform:scale(1.02)}
.img-zoom-icon{position:absolute;top:.5rem;right:.5rem;background:rgba(27,114,190,.85);color:#fff;font-size:.8rem;width:1.8rem;height:1.8rem;border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s;pointer-events:none}
.img-frame:hover .img-zoom-icon{opacity:1}
.img-block{display:flex;flex-direction:column}
.img-block .img-frame{flex:1}
.img-caption{font-size:.7rem;color:var(--muted);text-align:center!important;margin-top:.45rem;font-style:italic;line-height:1.5}
.stack-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.85rem}
.stack-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r);padding:1.1rem .85rem;text-align:center;transition:all .25s;box-shadow:var(--sh)}
.stack-card:hover{border-color:var(--sky);transform:translateY(-4px);box-shadow:var(--shh)}
.stack-icon{font-size:1.6rem;margin-bottom:.5rem;display:block}
.stack-name{font-size:.77rem;font-weight:800;color:var(--navy);margin-bottom:.15rem}
.stack-cat{font-size:.67rem;color:var(--muted);font-family:var(--mono)}
.stack-sep{margin:2.25rem 0 1.25rem;font-size:.7rem;font-family:var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid var(--border);padding-bottom:.5rem}
.project-card{background:var(--white);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--sh);margin-bottom:1.75rem}
.project-card:hover{box-shadow:var(--shh)}
.project-header{padding:1.4rem 1.6rem 1.1rem}
.project-badge{display:inline-block;font-size:.66rem;font-family:var(--mono);font-weight:700;padding:.18rem .6rem;border-radius:4px;letter-spacing:.06em;margin-bottom:.7rem}
.badge-rap{background:rgba(200,151,58,.1);color:var(--gold);border:1px solid rgba(200,151,58,.25)}
.badge-fiori{background:rgba(27,114,190,.1);color:var(--blue);border:1px solid rgba(27,114,190,.25)}
.badge-cds{background:rgba(26,127,90,.1);color:var(--green);border:1px solid rgba(26,127,90,.25)}
.project-title{font-size:1.1rem;font-weight:800;color:var(--navy);margin-bottom:.4rem}
.project-desc{font-size:.85rem;color:var(--muted);line-height:1.8}
.project-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin-top:.7rem}
.project-tag{font-size:.67rem;font-family:var(--mono);color:var(--blue);background:var(--light);border:1px solid var(--border);padding:.12rem .45rem;border-radius:3px}
.tabs{border-top:1px solid var(--border)}
.tab-nav{display:flex;background:var(--offwhite);overflow-x:auto}
.tab-btn{flex:1;min-width:85px;padding:.65rem .85rem;font-size:.7rem;font-family:var(--mono);font-weight:700;color:var(--muted);background:none;border:none;cursor:pointer;letter-spacing:.05em;text-transform:uppercase;transition:all .2s;border-bottom:2px solid transparent;white-space:nowrap}
.tab-btn.active{color:var(--blue);border-bottom-color:var(--blue);background:var(--white)}
.tab-btn:hover:not(.active){color:var(--navy);background:var(--light)}
.tab-content{display:none;padding:1.4rem 1.6rem}
.tab-content.active{display:block}
.code-block{background:var(--code-bg);border:1px solid var(--code-br);border-radius:var(--r);overflow:hidden}
.code-header{display:flex;align-items:center;justify-content:space-between;padding:.5rem .9rem;background:rgba(0,0,0,.35);border-bottom:1px solid var(--code-br)}
.code-lang{font-size:.68rem;font-family:var(--mono);color:#5BAEE8;font-weight:700}
.code-file{font-size:.68rem;font-family:var(--mono);color:#8BAEC8}
.code-copy{font-size:.65rem;background:rgba(91,174,232,.12);border:1px solid rgba(91,174,232,.25);color:#5BAEE8;padding:.15rem .5rem;border-radius:3px;cursor:pointer;transition:all .2s}
.code-copy:hover{background:rgba(91,174,232,.25)}
pre{padding:1.1rem .9rem;overflow-x:auto;font-size:.8rem;line-height:1.7;font-family:var(--mono);margin:0;color:#D4D4D4}
.kw{color:#569CD6}.an{color:#4EC9B0}.st{color:#CE9178}.cm{color:#6A9955}.nm{color:#DCDCAA}.tp{color:#4FC1FF}.op{color:#D4D4D4}
.rap-layers{display:flex;flex-direction:column;gap:.35rem;max-width:660px;margin:0 auto 2.25rem}
.rap-layer{display:grid;grid-template-columns:145px 1fr;border-radius:var(--r);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh)}
.layer-label{padding:.65rem .9rem;font-size:.7rem;font-weight:800;font-family:var(--mono);letter-spacing:.04em;display:flex;align-items:center}
.layer-content{padding:.65rem .9rem;font-size:.8rem;color:var(--muted);display:flex;align-items:center;border-left:1px solid var(--border);background:var(--white)}
.l-ui{background:#EBF5FB;color:var(--blue)}.l-odata{background:#D0E8F8;color:var(--blue)}
.l-proj{background:#D1FAE5;color:#065F46}.l-iface{background:#FEF3C7;color:#92400E}
.l-pool{background:#FDE68A;color:#78350F}.l-cds{background:#DBEAFE;color:#1E40AF}
.l-db{background:#F3F4F6;color:#4B5563}
.layer-arrow{text-align:center;font-size:.9rem;color:var(--muted);padding:.04rem 0}
.fiori-demo{background:#F3F4F6;border-radius:var(--r);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh)}
.fiori-shell{background:var(--navy);padding:.55rem 1.1rem;display:flex;align-items:center;justify-content:space-between}
.fiori-logo{color:var(--white);font-weight:800;font-size:.95rem}
.fiori-app-title{color:rgba(255,255,255,.85);font-size:.83rem;font-weight:600}
.fiori-toolbar{background:var(--white);padding:.45rem .9rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.45rem;flex-wrap:wrap}
.fiori-btn{background:#0064D9;color:#fff;border:none;padding:.3rem .8rem;border-radius:4px;font-size:.75rem;font-weight:600;cursor:pointer}
.fiori-btn.ghost{background:transparent;color:#0064D9;border:1px solid rgba(0,100,217,.35)}
.fiori-content{padding:.85rem}
.fiori-filter{background:var(--white);border:1px solid var(--border);border-radius:4px;padding:.65rem .9rem;margin-bottom:.85rem;display:flex;gap:.85rem;align-items:center;flex-wrap:wrap}
.fiori-filter label{font-size:.72rem;color:var(--navy);font-weight:600}
.fiori-filter input{border:1px solid var(--border);border-radius:4px;padding:.28rem .55rem;font-size:.77rem;width:130px}
.fiori-table{width:100%;border-collapse:collapse;font-size:.77rem}
.fiori-table th{background:var(--skylt);color:var(--navy);font-weight:700;padding:.45rem .7rem;text-align:left;border-bottom:2px solid var(--border)}
.fiori-table td{padding:.45rem .7rem;border-bottom:1px solid var(--border);color:var(--text)}
.fiori-table tr:hover td{background:var(--skylt)}
.chip-a{background:#D1FAE5;color:#065F46;padding:.08rem .45rem;border-radius:10px;font-size:.67rem;font-weight:700}
.chip-p{background:#FEF3C7;color:#92400E;padding:.08rem .45rem;border-radius:10px;font-size:.67rem;font-weight:700}
/* Experience timeline */
.exp-list{display:flex;flex-direction:column;gap:1.1rem}
.exp-item{display:grid;grid-template-columns:148px 1fr;gap:1.4rem;padding:1.4rem;background:var(--white);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--sh);transition:box-shadow .2s}
.exp-item:hover{box-shadow:var(--shh)}
.exp-year{font-size:.72rem;font-family:var(--mono);color:var(--blue);padding-top:.1rem;line-height:1.6}
.exp-company{font-size:.72rem;color:var(--muted);font-weight:600;margin-top:.2rem}
.exp-role{font-size:.97rem;font-weight:800;color:var(--navy);margin-bottom:.2rem}
.exp-desc{font-size:.84rem;color:var(--muted);line-height:1.8;margin-top:.4rem}
.exp-projects{margin-top:.65rem}
.exp-project{font-size:.8rem;color:var(--text);margin-bottom:.3rem;padding-left:.75rem;border-left:2px solid var(--sky)}
.exp-project strong{color:var(--navy)}
.exp-techs{display:flex;flex-wrap:wrap;gap:.32rem;margin-top:.65rem}
.exp-tech{font-size:.65rem;font-family:var(--mono);color:var(--blue);background:var(--light);border:1px solid var(--border);padding:.12rem .42rem;border-radius:3px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.contact-info p{color:var(--muted);margin-bottom:1.75rem;line-height:1.9}
.contact-links{display:flex;flex-direction:column;gap:.85rem}
.contact-link{display:flex;align-items:center;gap:.9rem;padding:.9rem 1.1rem;background:var(--white);border:1px solid var(--border);border-radius:var(--r);text-decoration:none;transition:all .2s;box-shadow:var(--sh)}
.contact-link:hover{border-color:var(--blue);transform:translateX(4px);box-shadow:var(--shh)}
.contact-link-icon{font-size:1.2rem}
.contact-link-text strong{display:block;color:var(--navy);font-size:.84rem;font-weight:700;margin-bottom:.08rem}
.contact-link-text span{color:var(--muted);font-size:.77rem}
.cta-box{background:var(--navy);border-radius:12px;padding:1.75rem;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--blue),var(--sky))}
.cta-box h3{color:var(--white);font-size:1.15rem;font-weight:800;margin-bottom:.7rem}
.cta-box p{color:rgba(255,255,255,.7);font-size:.88rem;margin-bottom:1.4rem;line-height:1.8}
.cta-check{display:flex;align-items:center;gap:.7rem;font-size:.84rem;color:rgba(255,255,255,.75);margin-bottom:.55rem}
.cta-check .ok{color:#34D399}
footer{background:var(--navy);border-top:1px solid rgba(255,255,255,.08);padding:1.75rem 2rem;text-align:center;font-size:.8rem;color:rgba(255,255,255,.5)}
footer strong{color:var(--white)}
/* Lightbox */
#lightbox{display:none;position:fixed;inset:0;z-index:9999;background:rgba(6,15,24,.93);cursor:zoom-out;align-items:center;justify-content:center;backdrop-filter:blur(8px)}
#lightbox.open{display:flex;animation:lbIn .2s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
#lightbox-img{max-width:92vw;max-height:90vh;border-radius:10px;box-shadow:0 24px 80px rgba(0,0,0,.7);cursor:default;transition:opacity .12s;object-fit:contain}
#lb-close{position:fixed;top:1rem;right:1.25rem;color:#fff;font-size:1.8rem;cursor:pointer;background:rgba(255,255,255,.12);border:none;width:2.4rem;height:2.4rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}
#lb-close:hover{background:rgba(255,255,255,.25)}
#lb-caption{position:fixed;bottom:1.25rem;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.8);font-size:.8rem;font-style:italic;background:rgba(0,0,0,.45);padding:.35rem .9rem;border-radius:4px;max-width:80vw;text-align:center}
#lb-nav{position:fixed;top:50%;transform:translateY(-50%);width:100%;display:flex;justify-content:space-between;padding:0 .75rem;pointer-events:none}
.lb-arr{background:rgba(255,255,255,.14);border:none;color:#fff;font-size:1.5rem;width:2.6rem;height:2.6rem;border-radius:50%;cursor:pointer;pointer-events:all;transition:background .2s;display:flex;align-items:center;justify-content:center}
.lb-arr:hover{background:rgba(27,114,190,.7)}
@media(max-width:480px){.hero-name{white-space:normal;font-size:1.5rem}}
@media(max-width:768px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr;gap:2rem}
  .exp-item{grid-template-columns:1fr;gap:.45rem}
  .rap-layer{grid-template-columns:100px 1fr}
  nav{padding:0 .85rem}.nav-links{gap:.75rem}.nav-links a{font-size:.78rem}
  section{padding:3.5rem 1rem}
  .img-3col{grid-template-columns:1fr!important}
}
.fade-in{opacity:0;transform:translateY(18px);transition:opacity .55s,transform .55s}
.fade-in.visible{opacity:1;transform:none}

/* ── FORMACIÓN: índice de tecnologías ──────────────────────────── */
.training-hero{padding:130px 2rem 3rem;background:linear-gradient(135deg,var(--white) 0%,var(--skylt) 55%,var(--skymd) 100%)}
.breadcrumb{font-size:.78rem;color:var(--muted);font-family:var(--mono);margin-bottom:1rem}
.breadcrumb a{color:var(--blue);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.tech-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.25rem}
.tech-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:var(--sh);text-decoration:none;display:block;transition:all .25s;position:relative;overflow:hidden}
.tech-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--navy),var(--blue),var(--sky));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.tech-card:hover{transform:translateY(-4px);box-shadow:var(--shh);border-color:var(--sky)}
.tech-card:hover::before{transform:scaleX(1)}
.tech-card-icon{font-size:1.9rem;margin-bottom:.75rem;display:block}
.tech-card-name{font-size:1.05rem;font-weight:800;color:var(--navy);margin-bottom:.4rem}
.tech-card-desc{font-size:.83rem;color:var(--muted);line-height:1.7;margin-bottom:.9rem}
.tech-card-tags{display:flex;flex-wrap:wrap;gap:.35rem}
.tech-card-arrow{position:absolute;bottom:1.25rem;right:1.25rem;color:var(--blue);font-weight:700;opacity:0;transition:opacity .2s,transform .2s;transform:translateX(-4px)}
.tech-card:hover .tech-card-arrow{opacity:1;transform:translateX(0)}

/* ── FORMACIÓN: página de artículo por tecnología ──────────────── */
.article-hero{padding:130px 2rem 2.5rem;background:linear-gradient(135deg,var(--white) 0%,var(--skylt) 55%,var(--skymd) 100%)}
.article-icon{font-size:2.4rem;margin-bottom:.75rem;display:block}
.article-title{font-size:clamp(1.6rem,3.5vw,2.3rem);font-weight:800;color:var(--navy);margin-bottom:.6rem}
.article-lede{font-size:1rem;color:var(--muted);max-width:720px;line-height:1.85}
.article-body{max-width:760px;margin:0 auto;padding:3.5rem 2rem}
.article-body h2{font-size:1.35rem;font-weight:800;color:var(--navy);margin:2.5rem 0 .9rem}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:1.05rem;font-weight:700;color:var(--navy);margin:1.5rem 0 .6rem}
.article-body p{color:var(--muted);margin-bottom:1.1rem;line-height:1.9;font-size:.95rem;text-align:justify}
.article-body ul,.article-body ol{color:var(--muted);margin:0 0 1.1rem 1.3rem;line-height:1.9;font-size:.95rem}
.article-body li{margin-bottom:.4rem}
.article-body li strong{color:var(--navy)}
.article-body .code-block{margin:1.4rem 0}
.callout{background:var(--skylt);border-left:3px solid var(--blue);border-radius:0 var(--r) var(--r) 0;padding:1rem 1.2rem;margin:1.4rem 0;font-size:.88rem;color:var(--navy);line-height:1.75}
.callout strong{color:var(--blue)}
.article-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border);flex-wrap:wrap}
.article-nav a{display:flex;flex-direction:column;text-decoration:none;font-size:.8rem;color:var(--muted);border:1px solid var(--border);border-radius:var(--r);padding:.75rem 1.1rem;transition:all .2s;max-width:47%}
.article-nav a:hover{border-color:var(--blue);color:var(--blue)}
.article-nav a strong{color:var(--navy);font-size:.9rem}
.article-nav a:hover strong{color:var(--blue)}
.article-nav a.next{text-align:right;align-items:flex-end;margin-left:auto}
@media(max-width:600px){.article-nav a{max-width:100%}}

/* ── Table of contents ────────────────────────────────────────── */
.toc-layout{max-width:960px;margin:0 auto;padding:3.5rem 2rem;display:grid;grid-template-columns:200px 1fr;gap:3rem;align-items:start}
.toc-layout .article-body{max-width:none;margin:0;padding:0}
.toc{position:sticky;top:82px}
.toc-label{font-size:.68rem;font-family:var(--mono);color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.85rem}
.toc ul{list-style:none;display:flex;flex-direction:column;gap:.55rem;border-left:2px solid var(--border);margin:0;padding:0}
.toc a{display:block;padding:.1rem 0 .1rem .9rem;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:.82rem;line-height:1.4;transition:all .2s}
.toc a:hover{color:var(--blue)}
.toc a.active{color:var(--blue);border-left-color:var(--blue);font-weight:700}
@media(max-width:900px){.toc-layout{grid-template-columns:1fr;padding:2.5rem 1rem}.toc{position:static;order:-1;border:1px solid var(--border);border-radius:var(--r);padding:1rem 1.2rem;background:var(--offwhite)}.toc ul{border-left:none;gap:.35rem}.toc a{padding-left:0;border-left:none}.toc a.active{text-decoration:underline}}